Carbohydrate
Hydrolysis of lactose yields

galactose and fructose
glucose and fructose
fructose and galactose
galactose and glucose

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Carbohydrate
The function of gluconeogenesis is

a pathway for the utilization of amino acids
maintenance of blood glucose levels during starvation or a low carbohydrate diet
All of these
recovery of lactate from fermentation and glycerol from fat breakdown

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Carbohydrate
When living organisms are cooled below some critical body temperature, the metabolic reactions within their cells cease to function properly. This malfunction occurs because

there is insufficient molecular motion for substrates to interact
the activation energy for the reaction is raised
their enzymes lose the proper three-dimensional shape
enzyme active sites become permanently bound to substrates

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